Forget BYOD, this is BYOVM: Ransomware tries to evade antivirus by hiding in a virtual machine on infected systems

With antivirus tools increasingly wise to common infection tricks, one group of extortionists has taken the unusual step of stashing their ransomware inside its own virtual machine. According to Vikas Singh, Gabor Szappanos, and Mark Loman at Sophos, criminals have slotted the file-scrambling Ragnar Locker nasty into a virtual machine running a variant of Windows XP, called MicroXP.

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